OpenTechnical

OT-2026-000077388

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000077388) never changes.

Identity and time

Publication numberOT-2026-000077388 · never reused
Internal UUID01a0ae94-f509-7245-a919-f231bcb74192 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077388
StatusPUBLIC

Content hashes

Canonical textca7ed47837040b47d1cab5b2e8b8a0e8ccf0b0d716c67f06eacc6841902855f0
Markdown0adfc08b0eff8d0d7a195abc221e4efda42264ae131175f76d70c89c8066903f
PDF
Publication pageed25cb7604157e49f1bf46d4f797132db14e8eca1c49a6b1df0f9d04369bfb4f
Manifest7cdd87a9a893fd58f2789572413e65bb66be1bf6d85bea730ce9988fc10af93e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature3C6beopXbNWgo2P3mHZfgNy3t8kTm1q6qgVaFirMVimU/nNP6hxnylzppPX4/4/rpoOQqZKsoqt6cf4eFXfSAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:02.075172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077388
observed ed25cb7604157e49f1bf46d4f797132d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:02.056959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077388/manifest.json
observed 7cdd87a9a893fd58f2789572413e65bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:02.038520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077388/publication.md
observed 0adfc08b0eff8d0d7a195abc221e4efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:02.017993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077388/publication.txt
observed ca7ed47837040b47d1cab5b2e8b8a0e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.